NAT 8252 – Industrial Pressure Switch

The industrial pressure switch NAT 8252 is available with 1 or 2 switching outputs and features an exceptionally long-term stable thin-film-on-steel sensor cell with triple (optionally 5-fold) overpressure safety. The robust design and the wide temperature range from -40°C to +125°C qualify the NAT 8252 as the ideal solution for a wide range of demanding pressure switch applications.

Features

  • 1 or 2 PNP transistors
  • Parameterization via smartphone App (Android)
  • Switching current up to 400 mA
  • Excellent long-term stability
  • Optional: 5-fold overpressure resistance
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Technical Data

Applications

Machine tools, Hydraulics, HVAC, Refrigeration, Process technology, Water treatment

Category

Electronic pressure switches

Accuracy @ 25°C typ.

± 0.5 % FS typ.

Dielectric strength

50 VAC, 50 Hz

Measuring principle

Thin-film-on-steel

Vibration

15 g RMS (20...2000 Hz) (EN60068-2-64)
25 g sin (80...2000 Hz), 1 oct./min, (1x @ 25°C) (EN60068-2-6)

NLH @ 25°C (BSL) typ.

± 0.2 % FS typ.

Pressure connections

G1/4" m; G1/4" m (Manometer);
G1/8" m, DIN3852-E;
1/4"NPT m; 1/4"NPT f; 1/8"NPT m;
7/16"-20UNF f, SAE J512;
7/16"-20UNF m, SAE4 (J1926);
7/16"-20UNF m, DIN3866;
9/16"-18UNF m, SAE6 (J1926);
R1/4" m, DIN3858;
R1/4" m, DIN299

Media temperature

–40°C ... +125°C

Shock

50 g / 11 ms
100 g / 6 ms Male electrical plug M12x1 (EN60068-2-27) 2)

Electrical connections

M12x1; Cable IP67 (IP68)

Long term stability 1 year typ.

< ± 0.1 % FS typ.

Ambient temperature

–40°C ... +125°C
(Cable PVC 22: -5°C ... +60°C)
(Cable PUR 24: -40°C ... +70°C)
(Cable Radox Tenuis 88: -40°C ... +100°C)

Protection

IP67, IP68

Output signal

Switching output:
1 or 2 PNP transistors

TEB typ. @ -25 ... +85°C

± 1.75 % FS typ.

Measuring range

0 ... 2.5 to 0 ... 600 bar
0 ... 30 to 0 ... 7500 psi

NAT 8252 - Industrial Pressure Switch